fix(cmd/gno): pass an ExecContext to MachineOptions in `gno run` #4775

Job	Run time
setup	6s
Run Main (gnodev) / Go Linter / lint	43s
Run Main (gnodev) / Go Build / generated	7s
Run Main (gnodev) / Go Test / test	1m 7s
Run Main (gnofaucet) / Go Build / generated	12s
Run Main (gnofaucet) / Go Linter / lint	35s
Run Main (gnofaucet) / Go Test / test	36s
Run Main (gnokeykc) / Go Build / generated	9s
Run Main (gnokeykc) / Go Linter / lint	38s
Run Main (gnokeykc) / Go Test / test	40s
Run Main (gnomd) / Go Linter / lint	25s
Run Main (gnomd) / Go Build / generated	40s
Run Main (gnomd) / Go Test / test	38s
	6m 36s

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